"The main prank that we play with props is for people's birthdays. The special effects people will put a little explosive in the cake so it blows up in their face - that's always fun to play on a guest star, or one of the trainees or someone who's new"

"If you look over the years, the styles have changed - the clothes, the hair, the production, the approach to the songs. The icing to the cake has changed flavors. But if you really look at the cake itself, it's really the same"